Home / 27,412.20-41,119.52-7,690.32

Finding the Fourth Proportional to 27,412.20, 41,119.52 and 7,690.32

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Solution

The fourth proportional to 27,412.20, 41,119.52 and 7,690.32 is: 11,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,412.20 : 41,119.52 = 7,690.32 : x
  2. Step 2: Convert to fraction form
    27,412.20/41,119.52 = 7,690.32/x
  3. Step 3: Cross multiply
    27,412.20x = 41,119.52 × 7,690.32
  4. Step 4: Simplify right side
    27,412.20x = 316,222,228.59
  5. Step 5: Solve for x
    x = 316,222,228.59/27,412.20
  6. Step 6: Final answer
    x = 11,535.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.